[INFO] updating cached repository thara/rust-lightdb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thara/rust-lightdb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thara/rust-lightdb" "work/ex/clippy-test-run/sources/stable/gh/thara/rust-lightdb"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/thara/rust-lightdb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thara/rust-lightdb" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/thara/rust-lightdb"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/thara/rust-lightdb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eefb094d95710941d2f05106957d900661a1090f
[INFO] sha for GitHub repo thara/rust-lightdb: eefb094d95710941d2f05106957d900661a1090f
[INFO] validating manifest of thara/rust-lightdb on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thara/rust-lightdb on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thara/rust-lightdb
[INFO] finished frobbing thara/rust-lightdb
[INFO] frobbed toml for thara/rust-lightdb written to work/ex/clippy-test-run/sources/stable/gh/thara/rust-lightdb/Cargo.toml
[INFO] started frobbing thara/rust-lightdb
[INFO] finished frobbing thara/rust-lightdb
[INFO] frobbed toml for thara/rust-lightdb written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/thara/rust-lightdb/Cargo.toml
[INFO] crate thara/rust-lightdb has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting thara/rust-lightdb against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/thara/rust-lightdb:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4194d27f198281add2b6a7dd23ab6c843193e84abda1aa47b67d01b2d9a67e6f
[INFO] running `"docker" "start" "-a" "4194d27f198281add2b6a7dd23ab6c843193e84abda1aa47b67d01b2d9a67e6f"`
[INFO] [stderr]     Checking lightdb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match &input[..1] {
[INFO] [stderr] 16 | |             "." => {
[INFO] [stderr] 17 | |                 if !do_meta_command(cmd) {
[INFO] [stderr] 18 | |                     println!("Unrecognized command : {}", cmd);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |             }
[INFO] [stderr] 24 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 |         if let "." = &input[..1] {
[INFO] [stderr] 16 |     if !do_meta_command(cmd) {
[INFO] [stderr] 17 |         println!("Unrecognized command : {}", cmd);
[INFO] [stderr] 18 |         continue
[INFO] [stderr] 19 |     }
[INFO] [stderr] 20 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match &input[..1] {
[INFO] [stderr] 16 | |             "." => {
[INFO] [stderr] 17 | |                 if !do_meta_command(cmd) {
[INFO] [stderr] 18 | |                     println!("Unrecognized command : {}", cmd);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |             }
[INFO] [stderr] 24 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 |         if let "." = &input[..1] {
[INFO] [stderr] 16 |     if !do_meta_command(cmd) {
[INFO] [stderr] 17 |         println!("Unrecognized command : {}", cmd);
[INFO] [stderr] 18 |         continue
[INFO] [stderr] 19 |     }
[INFO] [stderr] 20 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "4194d27f198281add2b6a7dd23ab6c843193e84abda1aa47b67d01b2d9a67e6f"`
[INFO] running `"docker" "rm" "-f" "4194d27f198281add2b6a7dd23ab6c843193e84abda1aa47b67d01b2d9a67e6f"`
[INFO] [stdout] 4194d27f198281add2b6a7dd23ab6c843193e84abda1aa47b67d01b2d9a67e6f